Following July’s UFC 149 event, welterweight Matt Riddle was flagged for marijuana while bantamweight Francisco Rivera tested positive for an undisclosed over-the-counter stimulant, MMAjunkie.com (www.mmajunkie.com) has learned from multiple sources close to the event.

Both fighters were suspended for 90 days retroactive to the July 21 event, which makes them eligible to fight on Friday. The results of their respective bouts were not changed.

According to sources close to the competitors, both fighters declined to appeal their punishments and apologized for their actions.

Shirley Stunzi of the Calgary Combative Sports Commission, which oversaw the pay-per-view event at Calgary, Alberta’s Scotiabank Saddledome, declined comment for this story. Reps for both fighters were unreachable.

Rivera (9-2 MMA, 2-0 UFC) fought Roland Delorme and put in an early bid for a “Knockout of the Night” bonus with a crushing stoppage of the veteran of “The Ultimate Fighter 14,” though the honor ultimately went to Ryan Jimmo for a seven-second KO of Anthony Perosh.

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